Exhibit 99.1

JOINT FILING AGREEMENT

January 25, 2016

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree (i) to the joint filing, on behalf of each of them, of a statement on Schedule 13D (including amendments thereto) with respect to the common stock, par value $0.01 per share of CASI Pharmaceuticals, Inc., a Delaware corporation; and (ii) that this agreement be included as Exhibit 99.1 to such joint filing. The undersigned acknowledge that each shall be responsible for the timely filing of any amendments to such joint filing and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others.

[Execution page follows.]

IN WITNESS WHEREOF, the undersigned have executed this agreement.

Sparkle Byte Limited
By:	/s/ Dongliang Lin
	Name:	Dongliang Lin
	Title:	Authorized Signatory

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Snow Moon Limited
By:	/s/ Dongliang Lin
	Name:	Dongliang Lin
	Title:	Authorized Signatory

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Tianjin Jingran Management Center (Limited Partnership)
By:	/s/ Qiuyue Zhong
	Name:	Qiuyue Zhong
	Title:	Representative

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

He Xie Ai Qi Investment Management (Beijing) Co., Ltd.
By:	/s/ Hugo Shong
	Name:	Hugo Shong
	Title:	Authorized Signatory

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Jianguang Li
By:	/s/ Jianguang Li
	Name:	Jianguang Li

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Dongliang Lin
By:	/s/ Dongliang Lin
	Name:	Dongliang Lin

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Fei Yang
By:	/s/ Fei Yang
	Name:	Fei Yang

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Suyang Zhang
By:	/s/ Suyang Zhang
	Name:	Suyang Zhang

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IN WITNESS WHEREOF, the undersigned have executed this agreement.

Hugo Shong
By:	/s/ Hugo Shong
	Name:	Hugo Shong

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